Potassium 4-Sulfobenzoate from Japan
Potassium 4-sulfobenzoate is the potassium salt of p-sulfobenzoic acid, an aromatic sulfonated monocarboxylic acid derivative. It is used as a reactive intermediate in azo dye coupling and sulfonated drug synthesis. This compound falls under the 'Other' tariff item as it is not specifically named in other items of the subheading.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is a pure salt and not a mixture
• Provide the CAS number and purity data to the CBSA
• Be aware of any restrictions on sulfonated compounds